feat(zap): PT2260 lighting controls — Tasks 1–5 (no hardware)

cli.py

@@ -11,7 +11,12 @@
 import click
 import httpx
 
-from src.device import DeviceProfile, build_packet, build_transmit_payload
+from src.device import (
+    DeviceProfile,
+    available_commands,
+    build_payload_for,
+    build_transmit_payload,
+)
 
 DEVICES_DIR = "devices"
 
@@ -57,17 +62,17 @@ def send(device: str, unit: str, command: str, host: str, port: int) -> None:
         click.echo(f"Error: unknown unit '{unit}'. Available: {available}", err=True)
         sys.exit(1)
 
-    if command not in profile.commands:
-        available = ", ".join(sorted(profile.commands))
+    commands = available_commands(profile, unit)
+    if command not in commands:
+        available = ", ".join(sorted(commands))
         click.echo(
             f"Error: unknown command '{command}'. Available: {available}", err=True
         )
         sys.exit(1)
 
-    bits = build_packet(profile, unit=unit, command=command)
-    payload = build_transmit_payload(profile, bits=bits)
+    payload = build_payload_for(profile, unit=unit, command=command)
     _post_transmit(host, port, payload)
-    click.echo(f"OK  {command} → {device}/{unit}  [{bits}]")
+    click.echo(f"OK  {command} → {device}/{unit}")
 
 
 @cli.command()